Finding the Fourth Proportional to 1,300,188.67, 1,950,368.58 and 340,667.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,188.67 : 1,950,368.58 = 340,667.77 : x
2. Step 2: Convert to fraction form
   1,300,188.67/1,950,368.58 = 340,667.77/x
3. Step 3: Cross multiply
   1,300,188.67x = 1,950,368.58 × 340,667.77
4. Step 4: Simplify right side
   1,300,188.67x = 664,427,714,826.67
5. Step 5: Solve for x
   x = 664,427,714,826.67/1,300,188.67
6. Step 6: Final answer
   x = 511,024.08